we are not sure what it was used for. that's what chp is just telling us. this could cause big delays for people heading out of town for the labor day weekend. if you are heading to monterey, carmel, we are not sure when they are going to be able to open those southbound lanes. could likely be a while and again all traffic is being detoured right now off of the freeway off to airport boulevard. so we'll continue to watch that hopefully bring you some live pictures during the traffic cutins during the "cbs early show." quick check of other areas. in concord southbound 242 approaching grant street. we have an accident and traffic is jammed from highway 4. out to the bay bridge toll plaza, a bright spot where it looks great heading into san francisco and no metering lights. >> sunshine at the beaches but fog moved onshore. that's a cool looking shot. you can see the sunshine in the distance over the bay but the fog is creeping in at the coastline. that temperatures will drop off in the bay area through the holiday weekend. probably below normal. toward the mid